Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?ordering=-rules&page=5826
{ "count": 60653, "next": "https://online-go.com/api/v1/tournaments/?ordering=-rules&page=5827", "previous": "https://online-go.com/api/v1/tournaments/?ordering=-rules&page=5825", "results": [ { "id": 1579, "name": "For high level players", "director": { "id": 31467, "username": "naptod", "country": "fr", "icon": "https://secure.gravatar.com/avatar/e6b99fbd4d58c1fd0f4908300d2b4d40?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1793.4323468506855, "deviation": 63.056168259910564, "volatility": 0.05991959654912325 } }, "ranking": 28.43950443137693, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 26, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2012-01-14T05:10:17Z", "ended": "2012-01-14T04:10:17Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 346, "name": "Julko's mini-tournament", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 833.2592285509544, "deviation": 67.36238595445488, "volatility": 0.05927398286753025 } }, "ranking": 10.694062167267784, "professional": false, "ui_class": "supporter" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 18, "analysis_enabled": false, "exclusivity": "open", "started": "2007-10-23T17:55:00Z", "ended": "2007-12-25T14:11:00Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 84512, "name": "Coronavirus tournament", "director": { "id": 1033726, "username": "deleted-0606f096-76c1-4d2b-a35d-85aa8ba5ee65", "country": "zz", "icon": "https://user-uploads.online-go.com/276e9decbb5e82facbd13358315a83a2-64.png", "ratings": { "version": 5, "overall": { "rating": 1272.6965920513994, "deviation": 74.22770391508293, "volatility": 0.06001503551918644 } }, "ranking": 20.499208478445507, "professional": false, "ui_class": "" }, "description": "Something", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 186240, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 1209600, "period_time": 172800, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9959, "name": "Battlefield", "summary": "Lots of tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/35a32113b107d2c20dd88098e310591c-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-10T07:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-10T07:00:34.952955Z", "ended": "2022-12-21T11:38:52.614182Z", "start_waiting": "2022-01-10T07:00:34.777017Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/35a32113b107d2c20dd88098e310591c-15.png", "player_count": 7, "ranked": true }, { "id": 140573, "name": "Alan Turing Nines Title Tournament 2025", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2004.797747017707, "deviation": 68.65325681956098, "volatility": 0.06015738800240165 } }, "ranking": 31.018689578040004, "professional": false, "ui_class": "supporter" }, "description": "Alan Turing Nines Title Tournament 2025\n\nTitle Holder:\n<a style=\"color:orange\" href='https://online-go.com/player/64817/'>mark5000 [Nines Alan Turing] x1+1</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">\n\tTitle Tournament Winner\n\t\t<img src='https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png' alt='Gold'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament Runner-up\n\t\t<img src='https://cdn.online-go.com/5.1/img/trophies/silver_title_9.png' alt='Silver'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament 3rd Place\n\t<img src='https://cdn.online-go.com/5.1/img/trophies/bronze_title_9.png' alt='Bronze'></img>\n\t</th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2448'>2010</a></td>\n\t<td><b>Aloril</b></td><td></td><td></td>\n\t<td><b>Aloril (3d)</b></td><td>vitality (5d)</td><td>KlausP (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2452'>2011</a></td>\n\t<td><b>Valkyria9</b></td><td><a href='https://online-go.com/tournament/2542'>5-0</a></td><td>Aloril</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>zealot (3d)</td><td>devariot (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2470'>2012</a></td>\n\t<td><b>Valkyria9</b></td><td><a href='https://online-go.com/tournament/2555'>1-0</a></td><td>pollemand</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>pollemand (3d)</td><td>Aloril (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/6300'>2015</a></td>\n\t<td><b>Valkyria9</b></td><td>3-2</td><td>mark5000</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>mark5000 (2d)</td><td>Sadaharu (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/17053'>2016</a></td>\n\t<td><b>Valkyria9</b></td><td>4-1</td><td>mark5000</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>mark5000 (2d)</td><td>Sofiam (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/26617'>2017</a></td>\n\t<td><b>mark5000</b></td><td>3-2</td><td>Valkyria9</td>\n\t<td><b>Valkyria9 (7d)</b></td><td>mark5000 (6d)</td><td># (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/37846'>2018</a></td>\n\t<td><b>Deep Scholar</b></td>\n\t<td><a href='https://online-go.com/game/18900734'>5-0</a></td>\n\t<td>mark5000</td>\n\t<td><b>Deep Scholar (9d)</b></td><td>Sadaharu (9d)</td><td>Valkyria9 (7d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/49196'>2019</a></td>\n\t<td><b>Sadaharu</b></td><td><a href='https://online-go.com/tournament/73604'>4-1</a></td><td>Deep Scholar</td>\n\t<td><b>Sadaharu (9d)</b></td><td>earlgreyhot (9d)</td><td>martin3141 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/60660'>2020</a></td>\n\t<td><b>mark5000</b></td><td><a href='https://online-go.com/tournament/118166'>3-2</a></td><td>Sadaharu</td>\n\t<td><b>mark5000 [6d]</b></td><td>nutpenAI [6d]</td><td>spicydragon [5d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/73880'>2021</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>Deep Scholar [7d]</b></td><td>KataGo-Strong [9d+]</td><td>Tenebris [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/91628'>2022</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>fuseki3 [5d]</b></td><td>Buniu [2d]</td><td>adhalanay [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/112658'>2023</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>Sadaharu [5d]</b></td><td>mark5000 [5d]</td><td>找借口安静 [4d]</td>\n</tr>\n</table>\n\nNotes: \n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.\n- Old OGS ranks are displayed for tournaments before 2017. \n- Bots and use of AI are allowed in Alan Turing tournaments.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 107733, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3010, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2026-07-01T06:00:00Z", "players_start": 30, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-07-01T06:00:19.087485Z", "ended": null, "start_waiting": "2026-07-01T06:00:17.358017Z", "board_size": 9, "active_round": 1, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 39, "ranked": true }, { "id": 110237, "name": "FREE Palestine", "director": { "id": 1016829, "username": "kevinmath", "country": "cn", "icon": "https://secure.gravatar.com/avatar/6551af930e436f5e20cee09d91ad2508?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2189.914034510191, "deviation": 109.27083070484079, "volatility": 0.059961982966255836 } }, "ranking": 33.06327692927378, "professional": false, "ui_class": "" }, "description": "We free Palestine!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11451, "name": "Mathematics Lover", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-12-07T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-12-07T21:00:31.259700Z", "ended": "2024-07-16T07:38:41.385397Z", "start_waiting": "2023-12-07T21:00:31.171905Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 72940, "name": "OGS围棋锦标赛", "director": { "id": 847435, "username": "灵异之眼", "country": "142", "icon": "https://secure.gravatar.com/avatar/e4c6aeedd01de87d7fd6684e5d0a56a4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1644.1530315386617, "deviation": 79.22082572174479, "volatility": 0.06004093399491183 } }, "ranking": 26.42763241114329, "professional": false, "ui_class": "" }, "description": "欢迎参加比赛！", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 60, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 60 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3010, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2021-03-23T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-03-29T03:58:46.004602Z", "ended": "2021-03-29T04:10:01.780338Z", "start_waiting": "2021-03-29T03:58:45.767766Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 4, "ranked": true }, { "id": 63223, "name": "Zi hwee VS Xue zhang", "director": { "id": 756229, "username": "mrrabbuit", "country": "sg", "icon": "https://user-uploads.online-go.com/95a91e6b595a49e91968bd28f3e90ce4-64.png", "ratings": { "version": 5, "overall": { "rating": 1348.0847977490964, "deviation": 156.13884872211037, "volatility": 0.05999992557636363 } }, "ranking": 21.831420754602473, "professional": false, "ui_class": "" }, "description": "17/7/2020", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": false, "group": { "id": 5118, "name": "SP Weiqi 2020/2021", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png" }, "auto_start_on_max": true, "time_start": "2020-07-17T12:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-07-17T11:31:51.008265Z", "ended": "2020-07-20T12:36:35.433313Z", "start_waiting": "2020-07-17T11:31:50.836094Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png", "player_count": 2, "ranked": true }, { "id": 139778, "name": "5o a 7o", "director": { "id": 1861, "username": "sbstnmntlf", "country": "cl", "icon": "https://user-uploads.online-go.com/268a3294e0b64c27c9707f9b961dd3f7-64.png", "ratings": { "version": 5, "overall": { "rating": 1909.9402896498905, "deviation": 75.90657873965178, "volatility": 0.06006553358457227 } }, "ranking": 29.89658125733005, "professional": false, "ui_class": "" }, "description": "hola hola", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 13, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 180, "max_time": 180 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2528, "name": "British School Punta Arenas", "summary": "Grupo que reúne a los alumnos del Taller de Go del British School - Punta Arenas\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 200, "icon": "https://user-uploads.online-go.com/ea174198bf56c9217e3605e1d81eefd5-64.png" }, "auto_start_on_max": false, "time_start": "2026-04-29T21:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-04-29T19:41:00.200366Z", "ended": "2026-04-29T20:29:20.411824Z", "start_waiting": "2026-04-29T19:41:00.141464Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/ea174198bf56c9217e3605e1d81eefd5-15.png", "player_count": 6, "ranked": true }, { "id": 61042, "name": "TGIF Go", "director": { "id": 740650, "username": "NTU_A2_Yinjie", "country": "cn", "icon": "https://secure.gravatar.com/avatar/32673ba532ce8cb16892bcf703e9a202?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1586.8680548340928, "deviation": 98.41982628042037, "volatility": 0.05999967441874643 } }, "ranking": 25.606662101205064, "professional": false, "ui_class": "" }, "description": "We are playing for 2 rounds and feel free to challenge other player (by clicking their names u can see the 'challenge button') after that if u want! 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